henrygarner

require 'matrix'

module LLR
  def self.calculate(m)
    2 * (m.to_a.flatten.h - m.row_vectors.map(&:sum).h - m.column_vectors.map(&:sum).h)
  end
  
  def sum
    to_a.inject(nil) { |sum, x| x = yield(x) if block_given?; sum ? sum + x : x }
  end

henrygarner

user> (require '[biscuit.core :as digest])
nil
user> (digest/crc8 "hobnob")
17

henrygarner

Vagrant::Config.run do |config|
  config.vm.box = "eyu"
  config.vm.forward_port(22, 2222)
  config.vm.forward_port(3000,3033)
  config.vm.forward_port(80,8088)
  config.vm.forward_port(3306,3366)
  config.vm.forward_port(5432,5434)
  config.vm.forward_port(4567,4568)
  config.vm.share_folder("shared", "/shared", "shared")
end

henrygarner

(defproject dumbo "0.1.0-SNAPSHOT"
  :repositories {"apache-releases" "http://repository.apache.org/content/repositories/releases/"}
  :dependencies [[org.clojure/clojure "1.4.0"]
                 [org.apache.mahout/mahout-core "0.7"]
                 [org.apache.mahout/mahout-math "0.7"]
                 [org.apache.mahout/mahout-utils "0.5" :exclusions [com.google.guava/guava]]])

henrygarner

# -*- mode: ruby -*-
# vi: set ft=ruby :

Vagrant::Config.run do |config|
  config.vm.box = "lucid64"
  config.vm.box_url = "http://files.vagrantup.com/lucid64.box"
  
  config.vm.provision :shell, :inline => "apt-get update"
  # Otherwise java install will fail with missing dependencies
  

henrygarner

class Hash
  def flatten_nested(hash = {}, prefix = '')
    each do |key, value|
      full_key = prefix.empty? ? key : "#{prefix}_#{key}"
      value.is_a?(Hash) ? value.flatten_nested(hash, full_key) : hash[full_key] = value
    end
    hash
  end
end

henrygarner

;; https://4clojure.com/problem/26

(partial (fn f [a b n]
  (if (= n 0) ()
    (cons a (f b (+ a b) (- n 1)))
  )
) 1 1)

henrygarner

Ducklink::Decorator.configure do
    group do
        template 'http://affiliate.example.com?clickref={{reference}}&url={{url}}#campaign={{campaign}}'
        host 'buy.example.com', 'shop.example.com' do |context|
            set :campaign, 'campaign1'
            set :reference, context[:reference]
        end
        host 'another.com' do |context|
            set :campaign, 'campaign2'
            set :reference, context[:reference]

henrygarner

We're Likely Ltd

We're the company behind many Facebook and Twitter accounts, such as Handpicked London on Facebook or @LDN on Twitter. We're a funded startup, and we try to find the best of the web around a particular topic to present to our communities. To do this efficiently with our small team (there's six of us, and just two technical staff) we are working on some challenging NLP, machine learning and 'big data' problems. In addition to content discovery, we have also built tools for online marketing. We use these tools ourselves but also apply their smarts on clients' behalf.

What we're after

To improve our public and client facing web presence we're looking to bring on a full time, full stack web developer to work on several self-contained and mostly green field projects.

The projects are diverse, and range from traditional click-to-buy customer facing web apps, to the specification of **

henrygarner

http://www.agileweboperations.com/chef-rvm-ruby-enterprise-edition-as-default-ruby
http://www.christophersamuelson.com/2010/10/22/chef-rvm-capistrano-bundler/
http://blog.ninjahideout.com/posts/a-guide-to-a-nginx-passenger-and-rvm-server
http://brandontilley.com/2011/01/29/serving-rails-apps-with-rvm-nginx-unicorn-and-upstart.html
http://brandontilley.com/2011/01/29/rvm-unicorn-and-upstart.html

Chef workflow

# Install cookbook from opscode community site. (Automatically commits to local repo)
knife cookbook site install <COOKBOOK_NAME>